| Subject | English | Italian |
| IT, dat.proc. | Operating System/Virtual Storage | sistema operativo/memoria variabile |
| IT | real address and virtual address operating mode system | sistema di sfruttamento di indirizzi reali e virtuali |
| comp., MS | virtual file system | file system virtuale (The subsystem that intercepts and redirects file system requests from application processes running in a virtual environment. These requests are processed based on the virtual files and directories defined in the application package and created or modified through interaction with a virtual application) |
| IT | virtual reality design system | sistema di progettazione di realtà virtuale |
| IT | virtual reality system | sistema di realtà virtuale |
| patents. | virtual-reality systems | sistemi di realtà virtuale |